 | Chao, E.C., Tatsumoto, Mitsunobu, Erickson, R.L., Minkin, J.A., Back, J.M., Buden, R.V., Okita, P.M., Zonglin, Hou, Qingrun, Meng, Yingchen, Ren, Weijun, Sun, McKee, E.H., Turrin, B.D., Junwen, Wang, Xibin, Li, Edwards, C.A. (1990) Origin and ages of mineralization of Bayan Obo, the world's largest rare earth ore deposit, Inner Mongolia, China. Open-File Report Vol. 1990 (90-538) US Geological Survey doi:10.3133/ofr90538 | Report (issue) | | Mineralization of Bayan Obo, the World's Largest Rare Earth Ore Deposit, Inner Mongolia, China by E.C.T. Chao...Herndon, VA 5Tianjin Geological Research Academy, China 6USGS Menlo Park, CA CONTENTS Abstract Introduction...sequence and ages of mineralization Comparison of Bayan Obo mineral characteristics with those of known magmatic...selected Bayan Obo minerals Table 2. General comparison of mineral characteristics between Bayan Obo and carbonatites...Captions for figures Figure 1. Geologic map of the Bayan Obo area Figures 2-5. Photograph and photomicrographs |  | Liu, Taotao, Song, Wenlei, Kynicky, Jindrich, Yang, Jinkun, Chen, Qian, Tang, Haiyan (2022) Automated Quantitative Characterization REE Ore Mineralogy from the Giant Bayan Obo Deposit, Inner Mongolia, China. Minerals, 12 (4) 426 doi:10.3390/min12040426 | Journal (article/letter/editorial) | | Ore Mineralogy from the Giant Bayan Obo Deposit, Inner Mongolia, China Taotao Liu 1 , Wenlei Song 1,...Ore Mineralogy from the Giant Bayan Obo Deposit, Inner Mongolia, China. Minerals 2022, 12, 426. https://...of Geology, Northwest University, Xi’an 710069, China; taotaoliu1888@gmail.com (T.L.); 202010309@stumail...of Mining Engineering, Inner Mongolia University of Science and Technology, Baotou 014000, China; tanghy17@mails...technologies. The giant carbonatite-related Bayan Obo deposit contributes most REE resources in the world’s |  | Liu, Shang, Fan, Hong-Rui, Yang, Kui-Feng, Hu, Fang-Fang, Rusk, Brian, Liu, Xuan, Li, Xiao-Chun, Yang, Zhan-Feng, Wang, Qi-Wei, Wang, Kai-Yi (2018) Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: Implication for REE mineralization. Ore Geology Reviews, 94. 290-309 doi:10.1016/j.oregeorev.2018.02.006 | Journal (article/letter/editorial) | | Manuscript Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: implication for REE mineralization Shang...K-Y. Wang, Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: implication for REE mineralization,...ge |1 1 2 Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: implication for REE mineralization ... Chinese Academy of Sciences, Beijing 100029, China b College of Earth Science, University of Chinese...100049, China c Institutions of Earth Science, Chinese Academy of Sciences, Beijing 100029, China d Department |  | | Journal (article/letter/editorial) | | constraints on the genesis of the Bayan Obo Fe–Nb–REE deposit in Inner Mongolia, China Xiao-Yong Yang a,b,*, Wei-Dong...University of Science and Technology of China, Hefei 230026, China b CAS Key Laboratory of Isotope Geochronology...510640, China c Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China Received...in Dulahala near Bayan Obo, and rare earth element (REE)-rich dolomite in Bayan Obo have been determined...determined to understand the genesis of the Bayan Obo Fe–Nb–REE ore deposit, the world’s largest resource of REE |  | Yang, X.-M., Yang, X.-Y., Zhang, P.-S., Le Bas, M. J. (2000) Ba-REE fluorcarbonate minerals froma carbonatite dyke at Bayan Obo,Inner Mongolia, North China. Mineralogy and Petrology, 70 (3) 221-234 doi:10.1007/s007100070004 | Journal (article/letter/editorial) | | minerals from a carbonatite dyke at Bayan Obo, Inner Mongolia, North China X.-M. Yang1 , X.-Y. Yang1 , P.-S...Technology of China, P.R. China 2 Institute of Geology, The Chinese Academy of Sciences, P.R. China 3 Department...occurrence in a carbonatite dyke at Bayan Obo, Inner Mongolia, North China, of the Ba-REE ¯uorocarbonate minerals...marble that hosts the giant REE-Nb-Fe ore body at Bayan Obo, providing evidence that the two may be cogenetic...e aus einem Karbonatitgang bei Bayan Obo, Innere Mongolei, Nord-China Die Ba-SEE Fluorkarbonate Cebait |  | Hu, Le, Li, Yike, Chuan, Maoshan, Li, Ruiping, Ke, Changhui, Wu, Zhongjian (2020) Post-Magmatic Fluids Dominate the Mineralization of Dolomite Carbonatitic Dykes Next to the Giant Bayan Obo REE Deposit, Northern China. Minerals, 10 (12) 1117 doi:10.3390/min10121117 | Journal (article/letter/editorial) | | Carbonatitic Dykes Next to the Giant Bayan Obo REE Deposit, Northern China Le Hu 1,2 , Yike Li 2, *, Maoshan...Earthquake Forecasting, China Earthquake Administration, Beijing 100036, China; hulecugb@126.com Institute...Academy of Geological Sciences, Beijing 100012, China; maoshanchuan@126.com (M.C.); ruipinglee@gmail.com...Comprehensive Investigation Center, China Geological Survey, Kunming 650001, China Correspondence: like430@cags...Abstract: The Bayan Obo rare earth element (REE) deposit in Inner Mongolia, northern China, is the largest |  | | Report (volume) | | Carbonate-Hostjed Giant Bayan Obo REE-Fe-Nb Ore Deposit of Inner ~vtongolia, China: A Cornerstone Example...made possible b_v the U.S.!People 's Republic of China Earth Sciences Protocol between the Academy of Geological...the Ministry of Geology and Mineral Resources of China and the U.S. Geological Suney, Department of the...National Center, 12201 Sunrise Valley Dr. • Salt Lake City, Utah-2222 West, 2300 South • Spokane, Washington-Rm...Carbonate-Hosted Giant Bay an Obo REE-Fe-Nb Ore Deposit of Inner Mongolia, China: A Cornerstone Example for |  | Yang, X.-M., Yang, X.-Y., Zheng, Y.-F., Le Bas, M. J. (2003) A rare earth element-rich carbonatite dyke at Bayan Obo, Inner Mongolia, North China. Mineralogy and Petrology, 78 (1) 93-110 doi:10.1007/s00710-002-0220-5 | Journal (article/letter/editorial) | | element-rich carbonatite dyke at Bayan Obo, Inner Mongolia, North China X.-M. Yang1 , X.-Y. Yang2 , Y.-F... University of Science and Technology of China, P.R. China 3 School of Ocean and Earth Science, University...elements (REE), is reported from Bayan Obo, Inner Mongolia, North China. The REE content in the dyke varies...marble, the ore-host rock of the Bayan Obo REE–Nb–Fe giant mineral deposit. This fact may indicate a petrogenetic...between the dykes described here and the Bayan Obo mineral deposit. Introduction Since the discovery of |  | Wang, Zhen-Yu, Fan, Hong-Rui, Zhou, Lingli, Yang, Kui-Feng, She, Hai-Dong (2020) Carbonatite-Related REE Deposits: An Overview. Minerals, 10 (11) 965 doi:10.3390/min10110965 | Journal (article/letter/editorial) | | Geophysics, Chinese Academy of Sciences, Beijing 100029, China; 13264722955@163.com (Z.-Y.W.); yangkuifeng@mail...100049, China Innovation Academy for Earth Science, Chinese Academy of Sciences, Beijing 100029, China iCRAG...consider them as strategically important resources. China, responsible for more than 60% of the world’s REE...are closely related to carbonatite in China. Such a type of deposit may also contain appreciable amounts...margin depression or rift belts, e.g., Bayan Obo REE-Nb-Fe deposit, and orogenic belts on the margin of |  | | Journal (article/letter/editorial) | | Deposits: The Key Example of China Banded ore of the Bayan Obo deposit Jindrich Kynicky1, Martin P.... the deposits of rare earth elements (REEs) in China are a world-class phenomenon. The combination of...accumulation of REEs in the Bayan Obo deposit and the low cost of mining the extremely valuable heavy...heavy REEs from residual deposits makes China almost a monopoly producer. Research on a range of Chinese...metamorphosed carbonatite and polyphase mineralization at Bayan Obo, through unusual flat REE patterns in carbonatites |  | | Journal (article/letter/editorial) | | genesis of the world class Bayan Obo Fe-REE-Nb deposits, Inner Mongolia, China: Multistage processes and...genesis of the world class Bayan Obo Fe-REE-Nb deposits, Inner Mongolia, China: Multistage processes and...genesis of the world class Bayan Obo Fe-REE-Nb deposits, Inner Mongolia, China: Multistage processes and...smith@brighton.ac.uk, Tel: +44(0)1263 Keywords: Bayan Obo; carbonatite; rare earth elements; niobium; hydrothermal... ACCEPTED MANUSCRIPT Abstract: The Bayan Obo Fe-REE-Nb deposit is the world’s largest rare earth element |  | Xu, Cheng, Campbell, Ian H., Kynicky, Jindrich, Allen, Charlotte M., Chen, Yanjing, Huang, Zhilong, Qi, Liang (2008) Comparison of the Daluxiang and Maoniuping carbonatitic REE deposits with Bayan Obo REE deposit, China. Lithos, 106 (1) 12-24 doi:10.1016/j.lithos.2008.06.005 | Journal (article/letter/editorial) | | Maoniuping carbonatitic REE deposits with Bayan Obo REE deposit, China Cheng Xu a,⁎, Ian H. Campbell b, Jindrich...Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China Research School of Earth Sciences, Australian National...of Geology, Peking University, Beijing 100871, China b c A R T I C L E I N F O Article history: Received...mineral REE mineralization Daluxiang Maoniuping Bayan Obo A B S T R A C T Although carbonatites potentially...mineralization in the world's largest Bayan Obo carbonatite-related deposit is still disputed. In order to clarify |  | Le Bas, M. J., Kellere, J., Kejie, Tao, Wall, F., William, C. T., Peishan, Zhang (1992) Carbonatite dykes at bayan Obo, inner Mongolia, China. Mineralogy and Petrology, 46 (3) 195-228 doi:10.1007/bf01164647 | Journal (article/letter/editorial) | | Printed in Austria Carbonatite Dykes at Bayan Obo, Inner Mongolia, China M. J. Le Bas t , J. Keller 2, Tao...Institute of Geology, Academia Sinica, Beijing, China 4Department of Mineralogy, British Museum (Natural...the thrust fold belt near the Bayan Obo rare earth element (REE) deposit. They cut a thrust inlier of...of granitic migmatite within folded Bayan Obo Group sediments of Proterozoic age. Cathodoluminescence,...albite rock. The sedimentary dolomite of the Bayan Obo Group is composed mainly of Mn-Sr-REbearing ferroan |  | Zhang, Yongbei, Sun, Shihua, Xu, Chengyan, Wang, Hao, Zhao, Chongsun, Zhu, Zhihua (2003) Carbonatitic Volcanic Genesis of Hetaoqing Fe-Cu Deposit in Central Yunnan, China. Resource Geology, 53 (4) 261-272 doi:10.1111/j.1751-3928.2003.tb00175.x | Journal (article/letter/editorial) | | Volcanic Genesis of Hetaoqing Fe-Cu Deposit in Central Yunnan, China , Yongbei ZHANG* **, Shihua SUN*...Beijing 100029, China [e-mail: zhangyb9@163.com] ** Faculty of Earth Sciences, China University of Geosciences...Geosciences, Wuhan 430074, China ***Geological Department of Southwest Geological Exploration Bureau,... Kunming 650000, China Received on July 8, 2003; accepted on October 8, 2003 Abstract: The Kunyang rift...a rare Precambrian Fe-Cu mineralization zone in China. The Wuding-Lufeng mineralization area in the middle |  | Zhongxin, Yuan, Ge, Bai, Chenyu, Wu, Zhongqin, Zhang, Xianjiang, Ye (1992) Geological features and genesis of the Bayan Obo REE ore deposit, Inner Mongolia, China. Applied Geochemistry, 7 (5) 429-442 doi:10.1016/0883-2927(92)90004-m | Journal (article/letter/editorial) | | features and genesis of the Bayan Obo REE ore deposit, Inner Mongolia, China YUAN ZHONGXIN, BAI G E a n...Abstract--Geotectonically, the Bayan Obo deposit is located on the northern margin of the North China platform. When...When the Proterozoic Bayan Obo Group was formed, the area was probably a rift tectonic environment. Dolomite...rock (or host rock) of the orebody of the Bayan Obo REE deposit, shows a distinct stratified structure and...ore) isochron age of the Main orebody of the Bayan Obo deposit is 1.58 Ga, and the Sm-Nd model age is 1.61 |  | | Journal (article/letter/editorial) | | METASOMATITES AT THE BAY AN OBO RARE EARTH DEPOSIT, INNER MONGOLIA, CHINA D. O. Ontoyev a a Institute...METASOMATITES AT THE BAY AN OBO RARE EARTH DEPOSIT, INNER MONGOLIA, CHINA, International Geology Review...METASOMATITES AT THE BAY AN OBO RARE EARTH DEPOSIT, INNER MONGOLIA, CHINA D. O. Ontoyev1 Downloaded by...rare earth elements that make Bayan Obo the world's largest rare earth deposit are contained mostly in fluorocarbonate...entire Bayan Obo deposit. At the eastern end of the Bayan Obo iron-fluorine-rare-earth deposit, in the |  | Franchini, M., Lira, R., Meinert, L., Rios, F. J., Poklepovic, M. F., Impiccini, A., Millone, H. A. (2005) Na-Fe-Ca Alteration and LREE (Th-Nb) Mineralization in Marble andGranitoids of Sierra de Sumampa, Santiago del Estero, Argentina. Economic Geology, 100 (4) 733-764 doi:10.2113/gsecongeo.100.4.733 | Journal (article/letter/editorial) | | aegirine (Ae70-92Ja1-11Q6-19) ± hematite ± Mg-arfvedsonite ± fluorine-rich apatite and late Ca-Fe-Mn carbonates...comendite produced aegirine (Ae86-91Ja1-8Q6-11) ± Mg-arfvedsonite and minor albite (Ab98-99) in adjacent marble...mainly LREE. Early banded and mottled aegirine ± arfvedsonite replacements of marble have high absolute REE...Fe-LREE-Nb deposit Bayan Obo and other hydrothermal LREE deposits hosted in carbonatites of China. Introduction...carbonatites, particularly the large Bayan Obo deposit in China (Mariano, 1989a). Two districts with |  | Wang, Junwen, Tatsumoto, Mitsunobu, Li, Xibin, Premo, Wayne R., Chao, Edward C.T. (1994) A precise 232Th-208Pb chronology of fine-grained monazite: Age of the Bayan Obo REE-Fe-Nb ore deposit, China. Geochimica et Cosmochimica Acta, 58 (15) 3155-3169 doi:10.1016/0016-7037(94)90043-4 | Journal (article/letter/editorial) | | fine-grained monazite: Age of the Bayan Obo REE-Fe-Nb ore deposit, China* JUNWEN WANG,‘.+ MITSUNOBU TATSUMOTO...earth elements (REE)-Fe-Nb ore deposit, the Bayan Obo of Inner Mongolia, China. The monazite samples, collected...that REE mineralization within the giant Bayan Obo ore deposit occurred over a long period of time. The...208Pb/204Pb) and large negative tNd values for Bayan Obo ore minerals indicate that the main source(s)...bastnaesite fractions separated magnetically from Bayan Obo ore samples. The magnetic separation was achieved |  | Le Bas, M. J., Xueming, Y., Taylor, R. N., Spiro, B., Milton, J. A., Peishan, Z. (2007) New evidence from a calcite-dolomite carbonatite dyke for the magmatic origin of the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China. Mineralogy and Petrology, 90 (3) 223-248 doi:10.1007/s00710-006-0177-x | Journal (article/letter/editorial) | | origin of the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China M. J. Le Bas1; , Y...Geology, Chinese Academy of Sciences, Beijing, China 2 Received March 23, 2006; accepted October 2,...distribution in dolomite-calcite carbonatite dykes at Bayan Obo are provided, and a Mid-Proterozoic age is deduced...marble host to the giant Fe-REE ore deposit at Bayan Obo, Inner Mongolia remains controversial. Chao et al...Other contributions that review the origin of the Bayan Obo rocks are by Wu et al. (1996) and Campbell and |  | | Journal (article/letter/editorial) | | silicate chemistry at the Bayan Obo Fe–REE–Nb deposit, Inner Mongolia, China: Contrasting chemistry and...associated with Fe–REE–Nb ore bodies at Bayan Obo, Inner Mongolia, China, show alkali silicate assemblages...aegirine–augite, (magnesio-)riebeckite, (magnesio-)arfvedsonite, and phlogopite, accompanied by varying amounts...complex, multistage nature of mineralisation at Bayan Obo, but are still consistent with a direct involvement...Fenite; Bayan Obo; Fluid chemistry 1. Introduction The Fe–REE–Nb deposit at Bayan Obo, Inner Mongolia, China |  | | Journal (article/letter/editorial) | | the present paper, with the exception of the Bayan Obo carbonatite, I have used examples of anorogenic...controversial Bayan Obo in northern China and the carbonatites of the Mianning–Dechang belt in SW China. It is...Australia (Mount Weld and Gifford complex) and China (Bayan Obo and the carbonatites of the Mianning–Dechang...The rock types of the Amis intrusion include arfvedsonite- and aegirine-bearing granitoids, which show...proportions of arfvedsonite–aegirine–astrophyllite granite, arfvedsonite– aegirine granite, arfvedsonite granite |  | Smith, M.P., Moore, K., Kavecsánszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | | total rare earth oxide, but the importance of a deposit may be related to the grade for individual, or...total REE resource, only one currently known deposit (Bayan Obo) would class as giant (>1.7×107 tonnes contained...unclassified resource estimates from the Olympic Dam IOCG deposit, all of these deposits M AN U are related to...of some of the largest deposits AC C (e.g. Bayan Obo). Hydrothermal activity involving fluids from...Rare earth elements; Carbonatite; Syenite; Giant deposit; Grade 1. Introduction The rare earth elements |  | | Journal (article/letter/editorial) | | compositions of carbonate minerals from Bayan Obo, Inner Mongolia, China: implications for petrogenesis Xue-Ming...University of Science and Technology of China, Hefei 230026, China b Department of Geology, University of...at the Bayan Obo giant rare earth element (REE) – Nb – Fe ore deposit, Inner Mongolia, China are divided...and shale, comprising the Middle Proterozoic Bayan Obo Group. In contrast, the mineralized fine-to-coarse-grained...dikes (D) occurring within 3.5 km northeast of the deposit. These carbonates contain high MnO (>0.50 wt.%) |  | | Journal (article/letter/editorial) | | Beijing100037, China; 8 9 2 Earth Science Institute, Guilin University of Technology, Guilin 541004, China; 10...Laboratory (Guangzhou), Guangzhou 12 511458, China 13 14 15 *Corresponding author: Yan Liu 16...of pegmatitic stage and aegirine–augite and arfvedsonite fenitization alteration may 47 promote the...The intense alkali alteration that 51 forms arfvedsonite and aegirine–augite in carbonatite–nordmarkite...complexes was only found in the 52 Maoniuping deposit, whereas biotitation was found in the Dalucao and |  | Liu, Yan, Chakhmouradian, Anton R., Hou, Zengqian, Song, Wenlei, Kynický, Jindřich (2019) Development of REE mineralization in the giant Maoniuping deposit (Sichuan, China): insights from mineralogy, fluid inclusions, and trace-element geochemistry. Mineralium Deposita, 54 (5) 701-718 doi:10.1007/s00126-018-0836-y | Journal (article/letter/editorial) | | mineralization in the giant Maoniuping deposit (Sichuan, China): insights from mineralogy, fluid inclusions...eastern Tibet (Sichuan, China). In the currently mined central part of the deposit (Dagudao section), REE...aegirine-augite), sodium amphiboles (magnesio-arfvedsonite to fluororichterite), K-feldspar, fluorite,...of hydrothermal activity. Keywords Maoniuping deposit . Mianning-Dechang metallogenic belt . REE mineralization...Sciences, Beijing 100037, People’s Republic of China 2 State Key Laboratory for Mineral Deposits Research |
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